121203215

素因数分解:

$5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1$

素因数の和:336

約数の個数: 48

約数和(自身を含む): 178967232

約数和(自身を除く): 57764017

約数列:

[1, 5, 7, 23, 35, 49, 115, 137, 157, 161, 245, 685, 785, 805, 959, 1099, 1127, 3151, 3611, 4795, 5495, 5635, 6713, 7693, 15755, 18055, 21509, 22057, 25277, 33565, 38465, 107545, 110285, 126385, 150563, 154399, 176939, 494707, 752815, 771995, 884695, 1053941, 2473535, 3462949, 5269705, 17314745, 24240643, 121203215]

約数ペア:

[(1, 121203215), (5, 24240643), (7, 17314745), (23, 5269705), (35, 3462949), (49, 2473535), (115, 1053941), (137, 884695), (157, 771995), (161, 752815), (245, 494707), (685, 176939), (785, 154399), (805, 150563), (959, 126385), (1099, 110285), (1127, 107545), (3151, 38465), (3611, 33565), (4795, 25277), (5495, 22057), (5635, 21509), (6713, 18055), (7693, 15755)]